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Mycotic Pseudoaneurysm Complicating Stent Placement for Native Aortic Coarctation in a Child

Michael Perez1, Ronak Naik1, Shyam Sathanandam1

  • 1Division of Pediatric Cardiology, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, Tennessee.

The Annals of Thoracic Surgery
|April 24, 2016
PubMed

Insights

Mycotic aneurysms are rare aortic infections. A 13-year-old boy developed a large mycotic pseudoaneurysm after aortic coarctation stenting, requiring emergency surgery.

Area of Science:

  • Cardiovascular Surgery
  • Infectious Diseases
  • Pediatric Cardiology

Background:

  • Mycotic aneurysms of the aorta are uncommon but life-threatening vascular lesions.
  • Previous reports primarily involved adult patients undergoing surgical repair for coarctation of the aorta.

Observation:

  • A 13-year-old boy presented with symptoms of bacteremia and systemic septic embolization, including slurred speech.
  • These symptoms developed three months after receiving a bare-metal stent for native coarctation of the aorta.

Findings:

  • A rapidly progressive, large mycotic pseudoaneurysm was identified as the cause of the patient's severe symptoms.
  • Emergency surgical intervention included resection of the pseudoaneurysm and replacement of the infected aortic segment with an interposition graft.

Implications:

  • This case highlights the potential for early-onset mycotic pseudoaneurysms following aortic stenting in pediatric patients.
  • It underscores the importance of considering mycotic aneurysms as a rare but serious complication after aortic stenting for coarctation, regardless of patient age.

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